Disposable cat litter box



FIG. 1 is a top and right side perspective view of a disposable cat litter box showing my new design;

FIG. 2 is right side elevational view thereof, the left side elevational view being the mirror image thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a disposable cat litter box, as shown and described. 